[docker] Updated docker setup to work with the new version

Dockerfile

@@ -1,20 +1,30 @@
-FROM python:3-onbuild
+FROM python:3.7-alpine
 
-WORKDIR .
-RUN apt-get update && apt-get install -y \
-    openssl \
-    sqlite3 \
-    libsqlite3-dev \
-    libssl-dev \
-    gdal-bin \
-    libproj-dev \
-    libgeos-dev \
-    libspatialite-dev
-RUN pip3 install -U pip setuptools wheel
-RUN pip3 install -U .
-RUN echo "openwisp-controller installed"
-WORKDIR tests/
-CMD ["./docker-entrypoint.sh"]
+WORKDIR /opt/openwisp/
+CMD ["sh", "docker-entrypoint.sh"]
 EXPOSE 8000
+ENV NAME=openwisp-controller \
+    PYTHONBUFFERED=1
 
-ENV NAME openwisp-controller
+RUN apk add --no-cache \
+            --update zlib-dev jpeg-dev libffi-dev gettext gcc openssl tzdata && \
+    apk add --no-cache \
+            --repository http://dl-cdn.alpinelinux.org/alpine/edge/testing \
+            --update geos-dev gdal-dev libspatialite && \
+    apk add --no-cache \
+            --update \
+            --virtual .build-deps postgresql-dev git build-base linux-headers openssl-dev
+
+RUN pip install django-netjsonconfig openwisp-utils scp celery asgi_redis \
+                django-loci paramiko openwisp-users cryptography==2.3.1 \
+                djangorestframework-gis redis service_identity django-redis
+
+ADD . /opt/openwisp
+
+RUN pip install -U . && \
+    pip install https://github.com/openwisp/openwisp-users/tarball/master && \
+    pip install https://github.com/openwisp/django-netjsonconfig/tarball/master && \
+    pip install https://github.com/openwisp/django-x509/tarball/master && \
+    pip install https://github.com/openwisp/openwisp-utils/tarball/master
+
+WORKDIR /opt/openwisp/tests/

README.rst

@@ -308,13 +308,13 @@ Build from the Dockerfile:
 
 .. code-block:: shell
 
-    sudo docker build -t openwisp/controller .
+    docker-compose build
 
 Run the docker container:
 
 .. code-block:: shell
 
-    sudo docker run -it -p 8000:8000 openwisp/controller
+    docker-compose up
 
 Troubleshooting Steps
 ---------------------

docker-compose.yml

@@ -0,0 +1,14 @@
+version: "3"
+
+services:
+  controller:
+    image: openwisp/controller-development:latest
+    build:
+      context: .
+    ports:
+      - 8000:8000
+    depends_on:
+      - redis
+
+  redis:
+    image: redis:alpine

tests/docker-entrypoint.sh

@@ -1,5 +1,22 @@
 #!/bin/bash
 
-python3 manage.py migrate
-python3 manage.py createsuperuser
-python3 manage.py runserver 0.0.0.0:8000
+create_superuser () {
+    local username="$1"
+    local email="$2"
+    local password="$3"
+    cat <<EOF | python manage.py shell
+from django.contrib.auth import get_user_model
+
+User = get_user_model()
+
+if not User.objects.filter(username="$username").exists():
+    User.objects.create_superuser("$username", "$email", "$password")
+else:
+    print('User "{}" exists already, not created'.format("$username"))
+EOF
+}
+
+python manage.py migrate --no-input
+create_superuser admin admin@example.com admin
+celery -A openwisp2 worker -l info & \
+python manage.py runserver 0.0.0.0:8000